package com.joker.dao;

import com.joker.pojo.Blog;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

/**
 * @Author JokerKS
 * @Date 2021/12/07 15:23
 * @Version 1.0
 */
public interface BlogRepository extends JpaRepository<Blog, Long>, JpaSpecificationExecutor<Blog> {

	@Query("select b from Blog b where b.recommend=true ")
	List<Blog> findTop(Pageable pageable);

	@Query("select b from Blog b where b.title like ?1 or b.content like ?1")
	Page<Blog> findByQuery(String query, Pageable pageable);

	@Transactional
	@Modifying
	@Query("update Blog b set b.views=b.views+1 where b.id=?1")
	int updateViews(Long id);

	@Query("select function('date_format',b.updateTime,'%Y') as year from Blog b group by function('date_format',b.updateTime,'%Y') order by function('date_format',b.updateTime,'%Y') desc ")
	List<String> findGroupYear();

	@Query("select b from Blog b where function('date_format',b.updateTime,'%Y') = ?1")
	List<Blog> findByYear(String year);
}
